WTPA35 PHFO 180000 TCPCP5 BULLETIN HURRICANE ANA INTERMEDIATE ADVISORY NUMBER 17A NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP022014 200 PM HST FRI OCT 17 2014 ...ANA PASSING SOUTH OF THE BIG ISLAND AND REMAINS A POTENTIAL THREAT TO THE STATE OF HAWAII... SUMMARY OF 200 PM HST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...16.6N 156.2W ABOUT 225 MI...360 KM SSW OF HILO HAWAII ABOUT 340 MI...550 KM SSE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 17 MPH...27 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * HAWAII COUNTY * MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...MOLOKAI...LANAI... AND KAHOOLAWE. * OAHU * KAUAI COUNTY INCLUDING THE ISLANDS OF KAUAI AND NIIHAU. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 48 HOURS... DEPENDING ON WHICH ISLAND. THE BIG ISLAND OF HAWAII WILL REMAIN CLOSEST TO ANA INTO TONIGHT. INTERESTS IN THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT AREA SHOULD MONITOR THE PROGRESS OF ANA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN HONOLULU HAWAII. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM HST...0000 UTC...THE CENTER OF HURRICANE ANA WAS LOCATED NEAR LATITUDE 16.6 NORTH...LONGITUDE 156.2 WEST. ANA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...27 KM/H. A SLIGHT TURN TO THE NORTHWEST IS EXPECTED LATER TODAY AND SATURDAY. A DECREASE IN FORWARD SPEED IS EXPECTED SATURDAY NIGHT AND SUNDAY. ON THIS FORECAST TRACK...THE CENTER OF ANA WILL PASS ABOUT 115 MILES SOUTHWEST OF THE BIG ISLAND TONIGHT AND ABOUT 115 MILES SOUTHWEST OF THE REST OF THE MAIN HAWAIIAN ISLANDS THIS WEEKEND. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS POSSIBLE THROUGH TONIGHT...FOLLOWED BY GRADUAL WEAKENING LATE SATURDAY AND SUNDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 20 MILES...30 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ON THE BIG ISLAND OF HAWAII TONIGHT. TROPICAL STORM CONDITIONS ARE POSSIBLE ACROSS THE REST OF THE MAIN HAWAIIAN ISLANDS DURING THE WEEKEND. SURF...LARGE SWELLS PRODUCED BY ANA ARE EXPECTED TO BUILD OVER THE EASTERN END OF THE MAIN HAWAIIAN ISLAND CHAIN THROUGH SATURDAY. THESE LARGE SWELLS WILL CONTINUE TO SPREAD UP THE ISLAND CHAIN THROUGH THE WEEKEND. SURF PRODUCED BY THESE SWELLS COULD POTENTIALLY BE DAMAGING ALONG EXPOSED SOUTH AND SOUTHEAST SHORELINES BEGINNING LATER TODAY AND SATURDAY...AND PERSISTING THROUGH THE WEEKEND IN SOME AREAS. RAINFALL...HEAVY RAINFALL ASSOCIATED WITH ANA MAY REACH THE BIG ISLAND OF HAWAII LATE THIS AFTERNOON...WITH TOTAL RAIN ACCUMULATIONS BETWEEN 6 AND 8 INCHES EXPECTED AND ISOLATED TOTALS OF 12 INCHES POSSIBLE. HEAVY RAIN COULD POTENTIALLY AFFECT THE OTHER ISLANDS SATURDAY AND SUNDAY. THIS RAINFALL COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 PM HST. $$ FORECASTER WROE For more information, go to middletnweather.info
Posted on: Sat, 18 Oct 2014 00:00:44 +0000
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